Cita APA (7a ed.)

Roca, L., Oller, J., & Schat, C. Scalar radius of the pion and γγ → ππ.

Cita Chicago Style (17a ed.)

Roca, L., J.A Oller, y C. Schat. Scalar Radius of the Pion and γγ → ππ.

Cita MLA (8a ed.)

Roca, L., et al. Scalar Radius of the Pion and γγ → ππ.